To simplify the expression \( 15y - 7 - 10y \), combine the like terms:

1. Combine the \( y \) terms:
   \[
   15y - 10y = 5y
   \]

2. The constant term remains:
   \[
   -7
   \]

Putting it all together, the simplified expression is:
\[
5y - 7
\]

Would you like further details on how to simplify expressions, or do you have any questions? Here are some related questions you might consider:

1. What are like terms in algebra?
2. How do you combine multiple terms in an expression?
3. Can you provide examples of similar algebraic expressions?
4. What happens if I have more than two terms to combine?
5. How do you solve an equation that includes \( y \)?

**Tip:** Always combine like terms to simplify algebraic expressions efficiently.

Explore how to simplify the algebraic expression 15y - 7 + -10y by combining like terms. This guide walks through each step, covering essential concepts in simplifying expressions for students in Grades 6-8.

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